This is a more general potentialE, which accounts for the fact that the expected number of points discovered along an edge depends on the BatchSize.
The object makeBatchPotential is a method function.
The source of this document is in /build/reproducible-path/macaulay2-1.25.06+ds/M2/Macaulay2/packages/MonodromySolver/Documentation.m2:543:0.